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Gangsteel produce ASTM A240 304 Stainless steel plates, S30400, A240 Type 304 Stainless steel cutting parts by water cutting, laser cutting and cnc cutting. ASTM a240 (chromium and chromium nickel stainless steel plate, sheet, and strip for pressure essels and general applications. a240 304 stainless steel is a common material in stainless steel with a density of 7.93g/cm3, which is also called 18 / 8 stainless steel in the industry. High temperature resistant 800 ��, with good processing performance and high toughness, it is widely used in industry, furniture decoration industry and food and medical industry.
The ductility of those grades is restricted and they don’t seem to be chilly labored. In the warmth handled situation, this group of stainless steels present a useful mixture of corrosion resistance and mechanical properties that qualify them for a variety of utility. Alloy 304 a T-300 sequence stainless-steel austenitic, which has a minimum of 18% chromium and eight% nickel. It is the standard “18/eight stainless” that is commonly found in pans and cooking instruments. Alloy 304 is probably the most versatile and broadly used alloy within the chrome steel family.
Two of the extra commonly used grades of austenitic stainless steel are grades 304 and 316. To allow you to determine which grade is correct in your project, this weblog will look at the difference between 304 and 316 stainless steel. The minimum 10.5% chromium in stainless steels supplies A240-304 stainless steel plates resistance to roughly 700 °C (1,300 °F), while 16% chromium provides resistance as much as approximately 1,200 °C (2,200 °F). Type 304, the most typical grade of chrome steel with 18% chromium, is proof against roughly 870 °C (1,600 °F).
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Product Type |
A 240 304 Sheet, A 240 304 Plate |
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SS 304 ASTM Standard Specification |
ASTM A240 / ASME SA240 |
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Thickness |
0.1 to 3000 mm Thk |
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Width |
10-2500mm |
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Length |
2m, 2.44m, 3m, or as required |
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Finish |
2B, 2D, BA NO (8), Cold rolled sheet (CR), Hot rolled plate (HR), SATIN (Met with Plastic Coated), No.1 finish hot rolled, 1D, 2B, No.4, BA, 8K, satin, hairline, brush, mirror etc. |
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Hardness |
Half Hard, Soft, Hard, Quarter Hard, Spring Hard |
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Form |
Sheet, Plate, Strip, Flats, Clad Plate, Coils, Foils, Plain Sheet, Flat Shim, Flat Sheet, Shim Sheet, Rolling Sheet, Rolling Plate, Rolls, Blank (Circle), soft annealed, descaled, tread plate, sheared, annealed, Checker Plate |
A240 304 Stainless Application scope
System description: A240 304 stainless steel is the most widely used chromium-nickel stainless steel. As a widely used steel, it has good corrosion resistance, heat resistance, low temperature strength and mechanical properties; it has good hot workability such as stamping and bending.
, No heat treatment hardening phenomenon (use temperature -196℃～800℃).
Corrosion resistant in the atmosphere, if it is an industrial atmosphere or heavily polluted areas, it needs to be cleaned in time to avoid corrosion.
It is suitable for food processing, storage and transportation.
Has good processing properties and weldability.
Plate heat exchangers, bellows, household products (category 1, 2 tableware, cabinets, indoor pipelines, water heaters, boilers, bathtubs), auto parts (windshield wipers, mufflers, molded products), medical appliances, building materials, chemicals, food industry
, Agriculture, ship parts, etc.
304 stainless steel is a nationally recognized food grade stainless steel.
A 240 Gr 304 Mechanical Properties
| Grade |
ASME SA240 304 Mechanical Strength |
||||
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Yield |
Tensile |
Elongation |
Hardness, max |
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ASME SA240 304 |
Min Mpa |
Mpa |
Min % |
Brinell |
Rockwell B |
|
205 |
515 |
40% |
201 |
92 |
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A 240 Gr 304 Chemical Composition
| Plate Grade |
The Element Maximum (%) |
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C |
Mn |
P |
S |
Si |
Cr |
Ni |
|
|
ASME SA240 304 |
0.08 |
2.00 |
0.045 |
0.030 |
0.75 |
18.0-20.0 |
8.0-10.5 |
|
Mo |
N |
Cu |
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0.10 |
|
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For a240 304 stainless steel, the Ni element in its composition is very important, which directly determines the corrosion resistance and value of 304 stainless steel.
The most important elements in 304 are Ni and Cr, but they are not limited to these two elements.
Specific requirements are stipulated by product standards.
The common judgment in the industry is that as long as the Ni content is greater than 8% and the Cr content is greater than 18%, it can be considered as 304 stainless steel.
This is why the industry calls this type of stainless steel 18/8 stainless steel.
In fact, the relevant product standards have very clear regulations on 304, and these product standards have some differences for different shapes of stainless steel.
Below are some common product standards and tests.
ASTM A240 Equivalent AISI 304 stainless steel sheet
|
a 240 gr |
JIS G4304 |
ASTM |
UNS |
KS |
EN 10095 |
AS |
CNS |
|
a 240 gr 201 |
SUS201 |
201 |
S20100 |
STS201 |
1.4372 |
201-2 |
201 |
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a 240 gr 202 |
SUS202 |
202 |
S20200 |
STS202 |
1.4373 |
– |
202 |
|
a 240 gr 301 |
SUS301 |
301 |
S30100 |
STS301 |
1.4319 |
301 |
301 |
|
a 240 gr 304 |
SUS304 |
304 |
S30400 |
STS304 |
1.4301 |
304 |
304 |
|
a 240 gr 304L |
SUS304L |
304L |
S30403 |
STS304L |
1.4306 |
304L |
304L |
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a 240 gr 304N |
SUS304N1 |
304N |
S30451 |
STS304N1 |
1.4315 |
304N1 |
304N1 |
|
a 240 gr XM21 |
SUS304N2 |
XM21 |
S30452 |
STS304N2 |
– |
304N2 |
304N2 |
|
a 240 gr 304LN |
SUS304LN |
304LN |
S30453 |
STS304LN |
– |
304LN |
304LN |
A240 304 stainless steel plate property requirement.
Tensile strength σb (MPa)≥515-1035
Conditional yield strength σ0.2 (MPa)≥205
Elongation δ5 (%)≥40
Reduction of area ψ (%)≥?
Hardness: ≤201HBW; ≤92HRB; ≤210HV
Density (20℃, g/cm³): 7.93
Melting point (℃): 1398~1454
Specific heat capacity (0~100℃, KJ·kg-1K-1): 0.50
ASTM / AISI/ SAE, DIN, Werkstoff grades or equivalents:
|
ASTM |
BS 970 1991 |
AISI / SAE |
Werkstoff |
|
A240 SS 304L |
304S11 |
304L |
1.4306 |
|
A240 SS 304 |
304S15 |
304 |
1.4301 |
|
A240 SS 316L |
316S11 |
316L |
1.4404 |
|
A240 SS 316L |
316S13 |
316L |
1.4435 |
|
A240 SS 316 |
316S31 |
316 |
1.4401 |
|
A240 SS 316 |
316S33 |
316 |
1.4436 |
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Ferritic stainless steels have related strength, ductility and fabrication characteristics to carbon steels, with much better corrosion resistance. This group contains grades with 10.5% as much as 22% chromium, which do not have the nickel addition made to austenitic grades. The amount of chromium controls the corrosion resistance, and there are some special grades where there is an extra addition of molybdenum. Ferritic grades canot be strengthened by warmth remedy, and aren’t much strengthened by cold work, so they’re normally used within the annealed situation. Austenitic stainless steels are straightforward to work and weld, and have excellent ductility, toughness and corrosion resistance with good energy. They include 17 to 25% chromium and eight to 20% nickel, and may include other components to achieve the desired properties.
06cr19ni10 and SUS304 are the common marking methods on the market, among which 06cr19ni10 generally refers to national standard production, 304 generally refers to ASTM standard production, and SUS 304 refers to Japanese standard production.
304 is a kind of universal stainless steel, which is widely used to make equipment and parts with good comprehensive performance (corrosion resistance and formability). In order to maintain the inherent corrosion resistance of stainless steel, the steel must contain more than 18% chromium and more than 8% nickel. The stainless steel is produced according to ASTM 304.
This grage has glorious workability, weldability and influence energy. It is typically generally known as 18/8 stainless steel, since it accommodates 18% chromium and eight% nickel. It is appropriate to be used in quite a lot of applications, in fact it’s the most typical chrome steel, and about 60% of all stainless steel used in the world is grade 304. There are many various stainless steels, with completely different quantities of alloying parts added to provide the most effective balance of corrosion resistance, mechanical properties and cost.
Product standard a240 304 stainless steel:For a240 304 stainless steel, the Ni element in its composition is very important, which directly determines the corrosion resistance of 304 stainless steel and its value.The most important elements in 304 are Ni and Cr, but they are not limited to these two elements. Specific requirements are specified by product standards. It is considered that 304 stainless steel can be considered as long as Ni content is more than 8% and Cr content is more than 18%. This is why the industry will call this kind of stainless steel 18 / 8 stainless steel. In fact, the relevant product standards have very clear provisions for 304, and these product standards have some differences for different shapes of stainless steel. Here are some common product standards and tests.
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- However, the carbon is detrimental when welding and these grades are tough to weld.
- It is the usual “18/8 stainless” that is commonly present in pans and cooking tools.
- In the heat handled situation, this group of stainless steels show a useful mixture of corrosion resistance and mechanical properties that qualify them for a wide range of application.
- The ductility of those grades is limited and they aren’t cold labored.
- Alloy 304 a T-300 sequence stainless steel austenitic, which has a minimum of 18% chromium and 8% nickel.
- Alloy 304 is probably the most versatile and widely used alloy in the stainless-steel household.
Copper alloys and nickel coated connectors are likely to exhibit decrease ECR values, and are preferred materials for such purposes. Nevertheless chrome steel connectors are employed in situations with ECR poses a lower design standards and corrosion resistance is required, for instance in excessive temperatures and oxidizing environments . The carbon content of 304L is restricted to a most of 0.03%, which prevents sensitization throughout welding. Sensitization is the formation of chromium carbides along grain boundaries when a chrome steel is exposed to temperatures in the range of approx. Actually, stainless steels are a family of alloys, which may have a great range of properties, depending on what they are for use for.
a304 material
This group of stainless steels sometimes consists of equal elements of austenite and ferrite. This group has 18 to 29% chromium, 3 to eight% nickel and numerous different components, notably molybdenum and nitrogen. They are strong, with twice or extra the yield strength of the widespread austenitic grades, and are highly resistant to chloride stress corrosion cracking. The greater alloyed grades have glorious resistance to pitting and crevice corrosion in lots of environments. The duplex grades are not warmth treatable and have a low response to chilly work, so are used in the annealed condition. They are simple to weld and fabricate, though not as easy as the austenitic grades.
The most common further factor is molybdenum, which tremendously improves corrosion resistance. Austenitic stainless steels are usually used in the annealed condition, when they have a useful range of mechanical and physical properties. Strength can be elevated by chilly working, however not by heat therapy. Welding of this group is straightforward, though welding procedures are a little completely different to these used for carbon steel.
The most typical variety of chrome steel, and one that is regularly used in Marlin Steel’s custom wire basket designs due to its versatility. Even among metal alloys, grade 304 stainless steel is noteworthy for its high tensile strength—roughly 621 MPa . Like most stainless steels, grade 304 has a excessive most operating temperature (about 870˚C). This mixture of excessive tensile power, temperature resistance, and corrosion resistance makes grade 304 stainless-steel ideal for a wide variety of functions. This group contains 12% to 16% chromium and 0.08% to 2.00% carbon. The excessive carbon content makes the martensitic grades respond properly to warmth therapy to give high mechanical energy and hardness. However, the carbon is detrimental when welding and these grades are troublesome to weld.
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In order to determine whether a material is 304 stainless steel, it must meet the requirements of each element in the product standard. As long as one does not meet the requirements, it cannot be called 304 stainless steel. Gangsteel produce A240 304 Stainless steel plate, if you have requirement for stainless steel plate, please feel free to contact us by admin@gangsteel.com